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Phone stuck in bootloop, can't boot into fastboot or recovery, Please help

After trying to flash a TBO calendar/calculator inverted app I rebooted from recovery only to now be stuck in a bootloop. The only thing the phone will do is begin to reboot itself if I press all three buttons to "hard restart". (power+vol up+vol dwn). Tried using adb/fastboot to reboot into recovery or bootloader but I don't think that the phone is far enough into the boot process to be recognized by adb/fastboot because typing adb reboot-bootloader just returns "waiting on devices". I have also tried to use power+ vol dwn combo to reboot to bootloader. I have noticed that this only works for stock and other certain ROM's. It's a hit and miss as to why this occurs.
So right now I am stuck in a perpetual bootloop with no way to get to recovery or bootloader. I don't know of any other way of getting into recovery to restore a nanroid. Any one have a good suggestion? Please!

The combination of power + volume up (for like 10 or so seconds) will force a reboot. As SOON as it reboots you just need to hold volume down to get into bootloader.

Similar Issue...
cntryby429 said:
The combination of power + volume up (for like 10 or so seconds) will force a reboot. As SOON as it reboots you just need to hold volume down to get into bootloader.
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I'm having the same exact problem, I figured out the volume up + power, turns the phone back on in a hardboot. But, exactly how long do you need to hold the volume down button for once it's rebooting?? I just got a replacement phone on 9/24, my previous phone had no problem with this & had the option of fast boot in the settings. Just rebooting my phone takes FOREVER to turn on (or so it seems in comparison). Any idea how or why this is now? Is it due to an update, can I uninstall the update to go back to a fast start setting?? Thanks!!

M-FayeHTC said:
I'm having the same exact problem, I figured out the volume up + power, turns the phone back on in a hardboot. But, exactly how long do you need to hold the volume down button for once it's rebooting?? I just got a replacement phone on 9/24, my previous phone had no problem with this & had the option of fast boot in the settings. Just rebooting my phone takes FOREVER to turn on (or so it seems in comparison). Any idea how or why this is now? Is it due to an update, can I uninstall the update to go back to a fast start setting?? Thanks!!
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When you hold the volume down button are you also holding the power button? You need to use volume up + power to restart. Then, when it restarts, immediately hold volume down without letting up on the power button. Needs to be volume down + power to boot into hboot. As for now long do you hold it, until it boots to hboot.

Thanks for the info...
Thanks for more details I'm pretty sure I did let up on the power button thinking it was keeping it from loading. I'll try this out now!!!

[Q] htc one s in CWM bootloop cant enter bootloader

phone :
htc one s
rooted
cyanogenmod
CWM recovery v6.0.5.1
so the story is :
i forgot to charge my phone last night and it ran out of battery and died. when i plug it into charger or PC, it immediately boots into CWM without pressing anything and wont enter anything else. it also doesnt seem to charge in CWM and when i try to power it off, it simply goes into CWM again. simply put, i cant turn it off or charge it. phone was working perfectily fine before.
what i'm trying to do now is trying to boot it into bootloader and try to charge with fastboot script (i did it before) so i can get enough voltage to boot it into the OS. but the phone refuses to enter bootloader by any means and simply goes back into CWM.
tried holding the vol down + power button for 10 secs till it restarts, release power and hold it again while keeping the vol down pressed. but it still enter CWM (usually this is what i do to enter bootloader)
i cant restart to bootloader from CWM either (any buttons to power off, restart, boot to anywhere from CWM simply brings it back to CWM)
holding only the power button till it restarts also brings it back to CWM.
holding the vol down + power button without releasing them simply gives me screen flicker and it loops that way. i assume that made the phone soft reset repeatedly?
holding the vol down + power and releasing power once it resets and tapping power also brings it back to CWM.
here's a simple video showing the phone : youtu.be/PDvskMZIHAM
any help would be appreciated. thanks.

solved : as i noticed that the phone charging led turns on whenever i hold the power button. i tried holding the power button for god knows how long while plugged in. i released it once my finger was tired and cant hold it anymore and it boots into cyanogenmod.

Unusual bootloop - can't access recovery OR fastboot but loops on "optimzing apps"

Unusual bootloop - can't access recovery OR fastboot but loops on "optimzing apps"
I had my US version OpO 64GB working with CM12 for quite a while, rooted and bootloader unlocked with TWRP (possibly 2.8.6) installed, then some months ago I tried upgrading to CM12.1 through CM updater. This failed miserably - The phone started bootlooping on "Optimizing apps n of N" - as soon as it finished optimizing apps, the phone would reboot and start optimizing again. Booting to safe-mode (Power + VolUpDown) also fails in the same way (though optimizing fewer apps).
I tried rebooting to recovery mode holding Power + VolDown but it just gives a quick buzz (vibration motor) at the "1+" screen and reboots. The same thing happens when I try to boot to fastboot mode with Power + VolUp. So I'm completely stuck. All the guides show being able to boot either to fastboot or recovery (soft-brick) or else the screen being completely black/unresponsive (hard-brick). My phone is neither of these!
I got frustrated enough that I've let it sit on the shelf for the past 6 months, but now I'd like to fix this. All help appreciated.
---danq989

Did you try clearing the cache and doing a factory reset ?

SpectreFang said:
Did you try clearing the cache and doing a factory reset ?
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That's impossible for me to do since I can't get to launcher or recovery.

No acess to recovery?? Then better take it to service center... Atleast can u boot to fastboot mode or adb accesible then use oneplus one toolkits
---------- Post added at 11:34 AM ---------- Previous post was at 11:31 AM ----------
Install oneplus tool kit, while optimising apps it gets dectected by pc, just make it reboot mode & do reset.... Dnt worry this can be fixed, if all these seems messy then take it to service center

danq989 said:
I had my US version OpO 64GB working with CM12 for quite a while, rooted and bootloader unlocked with TWRP (possibly 2.8.6) installed, then some months ago I tried upgrading to CM12.1 through CM updater. This failed miserably - The phone started bootlooping on "Optimizing apps n of N" - as soon as it finished optimizing apps, the phone would reboot and start optimizing again. Booting to safe-mode (Power + VolUpDown) also fails in the same way (though optimizing fewer apps).
I tried rebooting to recovery mode holding Power + VolDown but it just gives a quick buzz (vibration motor) at the "1+" screen and reboots. The same thing happens when I try to boot to fastboot mode with Power + VolUp. So I'm completely stuck. All the guides show being able to boot either to fastboot or recovery (soft-brick) or else the screen being completely black/unresponsive (hard-brick). My phone is neither of these!
I got frustrated enough that I've let it sit on the shelf for the past 6 months, but now I'd like to fix this. All help appreciated.
---danq989
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while things are loading, have u tried to hold vol up + power for 10 seconds or until the screen turns off and then hold vol down + power button until the oneplus logo?

Bradl79 said:
while things are loading, have u tried to hold vol up + power for 10 seconds or until the screen turns off and then hold vol down + power button until the oneplus logo?
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Yes, just tried it. Same thing as described in my original post. When I hold power+volup the screen goes blank. I switch to power+voldown until the 1+ logo. At that point:
1. If I continue to hold the power+voldown key through the 1+ logo, the screen goes blank briefly, the phone vibrates once and reboots. If I continue to hold the power+voldown key, the vibrate&reboot cycle continues indefinitely
2. If I let go of either the power button, the voldown button, or both at or before the 1+ logo, the phone boots normally and goes to "Android is starting... Optimizing app n of 119). When the optimization finishes, the phone instantly reboots.
It's like the phone recovery is gone or inaccessible. Could this have to do with the phone tampering setting? As I said, I had this phone rooted and bootloader unlocked, working fine with CM12 for some time before trying an in-place upgrade to 12.1. That's when things went south.
---danq989

Can't get to recovery.

Hi.
I was wondering if you can help me.
I cannot get to recovery on a non rooted phone.
I press the power and volume down keys but the lg logo just keep on flashing after about 25 sec.
How do I get to recovery please?

borisb said:
Hi.
I was wondering if you can help me.
I cannot get to recovery on a non rooted phone.
I press the power and volume down keys but the lg logo just keep on flashing after about 25 sec.
How do I get to recovery please?
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Please tell me why you would like to enter recovery. If you are trying to factory reset, which is basically only option there, you can do that from the OS. However, if you cannot access it, you can access recovery by using this button combo.
Power down your phone, and then hold down the power button and down volume at the same time. I forgot if this is download mode or recovery, but tell me if it works. Don't have my LG V10 on me atm.

I am trying to reset the battery stats.
I tries holding the buttons down, I get the LG logo and then after 20-25 seconds the phone reboots and the logo is displayed again. If I stop holding any of the buttons the phone boots (after AT&T logo).
So it does not work and I don;t know why.

hold power and vol down, when the logo pops up wait 2 secs, then let go of power for about 1 sec, then hold it again.
trick is to not let go of power down the whole time. my phone died on me today, so i had to figure this out.

(help) Bootloop after OTA update

Hello
My stock A515F/DS received an OTA about 3 days ago. After it restarted to finish the update, it got stuck in the boot logo. It will reboot on itself from time to time, and I was able to reboot it manually by pressing vol down + power, but I can't get into recovery or donwload mode (by pressing vol up as soon as it reboots). The screen flickers for a moment, but it reboots again. We are under quarantine by federal law so I can't get my phone to samsung. Is there any way you guys know to flash it without going into recovery/download mode? I don't mind losing my data, everything is on my drive account, I just want my phone again
Thanks in advance

I think there is no way without entering in download mode or bootloader. Try with this:
When the phone is on, no matter which state, press Vol down + power until it reboots. As soon as the screen goes black, change to Vol. up+power. If this is successful, you can then select Reboot to bootloader to enter in download mode.
If this doesn't work, the next solution is waiting the end of quarantine

AlexLink89 said:
I think there is no way without entering in download mode or bootloader. Try with this:
When the phone is on, no matter which state, press Vol down + power until it reboots. As soon as the screen goes black, change to Vol. up+power. If this is successful, you can then select Reboot to bootloader to enter in download mode.
If this doesn't work, the next solution is waiting the end of quarantine
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Been trying this since day one, it seems like the phone tries to go into recovery as the screen flickers, but this lasts for less than a second and it reboots itself again.

Hi i have gala y a51. Also.
Suddenly it hanged up and restarted.ans stucked on boot screen after 10 sec it vibrates and screen goes dim(while still on boot logo) and notification bell rings and then goes black.
Cant get into recovery mode .
Plz help